Pargyline-phosphine copper(i) clusters with tunable emission for light-emitting devices - Details

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Three　pargyline-phosphine　copper(i)　clusters,　[Cu4(C　=　C-C9H12N)3(PPh3)4](PF6)　(1)　and　[Cu6(C　C-C9H12N)4(dppy)4](X)2　(dppy　=　diphenyl-2-pyridylphosphine;　X　=　PF6　for　2　and　X　=　ClO4　for　3),　were　synthesized.　Their　structures　were　fully　characterized　using　various　spectroscopic　methods　and　X-ray　crystallography,　which　showed　that　the　stoichiometry　and　nature　of　pargyline　and　phosphine　ligands　play　an　important　role　in　tuning　the　structure　and　photophysical　features　of　Cu(i)　clusters.　Interestingly,　clusters　1,　2　and　3　exhibited　red,　orange　and　yellow　phosphorescence　with　high　quantum　yields　of　88.5%,　22.0%　and　40.2%,　respectively,　at　room　temperature.　Moreover,　clusters　1-3　show　distinct　temperature-dependent　emissions.　The　excellent　luminescence　performance　of　1　and　3　was　designed　and　employed　for　the　construction　of　monochrome　and　white　light-emitting　devices　(LEDs).　©　2024　The　Royal　Society　of　Chemistry.

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[ 1 ] [Huang Q.-Q.]MOE Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, Fujian Provincial Key Laboratory of Electrochemical Energy Storage Materials, College of Chemistry, Fuzhou University, Fujian, Fuzhou, 350108, China
[ 2 ] [Lin Y.-Y.]MOE Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, Fujian Provincial Key Laboratory of Electrochemical Energy Storage Materials, College of Chemistry, Fuzhou University, Fujian, Fuzhou, 350108, China
[ 3 ] [Wang Y.-L.]MOE Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, Fujian Provincial Key Laboratory of Electrochemical Energy Storage Materials, College of Chemistry, Fuzhou University, Fujian, Fuzhou, 350108, China
[ 4 ] [Qi J.Y.]MOE Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, Fujian Provincial Key Laboratory of Electrochemical Energy Storage Materials, College of Chemistry, Fuzhou University, Fujian, Fuzhou, 350108, China
[ 5 ] [Fu F.]MOE Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, Fujian Provincial Key Laboratory of Electrochemical Energy Storage Materials, College of Chemistry, Fuzhou University, Fujian, Fuzhou, 350108, China
[ 6 ] [Wei Q.-H.]MOE Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, Fujian Provincial Key Laboratory of Electrochemical Energy Storage Materials, College of Chemistry, Fuzhou University, Fujian, Fuzhou, 350108, China
[ 7 ] [Wei Q.-H.]State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fujian, Fuzhou, 350002, China

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Dalton Transactions

ISSN： 1477-9226

Year： 2024

3 . 5 0 0

JCR@2023

CAS Journal Grade：2

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